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Check Engine Light

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    #1

    Check Engine Light

    Hi guys. I have a weird problem where when i drive to work in the morning my check engine light comes on. It always happens when i reach the end of this one big hill. Sometimes it even comes on when the road is level. When i turn the car off then on again it dissapears, sometimes for the rest of the day. What i don't get is that the car runs perfectly fine. Throttle response is fine and no weird noises coming from engine or anywhere else. Also it was serviced about 2 weeks ago and i changed the fuel filter a week ago. Why is this happening?
    Tags: None
    #2
    Pull the code so we can help you. It should be stored in memory and flash the code when you short the scs connector. Since the light isn't always on you have an intermittent failure.

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      #3
      Originally posted by BLKWLF View Post
      Why is this happening?
      Because there is a problem with something. Pull the ecu code, and that will lead you in the right direction as to what is faulty.


      Car Safety / General Servicing Checks --------Basic suspension checks

      My 5.7 LS1 Holden Ute

      A "Finished" project car is never finished until its been sold.

      If at first you don't succeed, Try again. Don't give up too easily, persistance pays off in the end.

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        #4
        Code 43 fuel system. But thats just the thing, there's no lack in performance like throttle. No loss of power at any time.

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          #5
          o2 sensor. when you put a load on the engine, the o2 signal usually gets driven low for some reason.
          I <3 G60.

          0.5mm Oversized Stainless valves and bronze guides available. Pm me please.

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            #6
            Thanks. Had a feeling it might be that, just needed comfirmation. Getting it changed asap.

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